to keep feelings inside and not express them
感情を内に秘めて表現しない (kanjo wo uchi ni himete hyogen shinai)
"He tends to bottle up his emotions, which isn't healthy in the long run."
"彼は自分の感情を抑え込む傾向があり、長期的には健康的ではありません。" (kare wa jibun no kanjo wo osaekomu keiko ga ari, choki teki ni wa kenkoteki dewa arimasen)
choices or paths in life that are unusual or adventurous
to start doing new and independent things
sometimes, but not very often
Sometimes, two people are just right, but a third person can...
to be in a very good position for success
to fail to do what one promised